Lenticular Galaxy NGC 4993: Kilonova Detected | Hubble
The lenticular galaxy NGC 4993 is located about 130 million light-years from Earth. On August 17, 2017, the Laser Interferometer Gravitational-Wave Observatory (LIGO) and the Virgo Interferometer both detected gravitational waves from the collision of two neutron stars within this galaxy. The event also resulted in a flare of light, called a kilonova, which is visible to the upper left of the galactic center in this image from the NASA/European Space Agency Hubble Space Telescope. A "kilonova" is a powerful event that happens when two neutron stars merge.
Credit: NASA, European Space Agency
Release Date: October 16, 2017
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